Electrons are orbiting around the nucleus in a specific energy level as described in Bohr's atomic model. There are 7 energy levels all in all; 1 being the strongest and nearest to the nucleus, and 7 being the weakest and farthest away from the nucleus. Electron can transfer from one energy level to another. If it increases energy, it absorbs energy. If it goes down an energy level, it emits energy in the form of light. This light can be measure in wavelength through the Rydberg equation:

1/λ =R(1/n₁² -1/n₂²), where
λ is the wavelength
R is the Rydberg constant equal to 1.097 × 10⁻7 per meter
n₁ and n₂ are the energy levels such that n₂>n₁

In the Paschen series is an emission spectrum of hydrogen when the energy level is at least n=4. So, this covers n=4 to n=7.

1/λ =(1.097 × 10⁻7)(1/4² -1/7²)
λ = 216.57 ×10⁻⁶ m or 216.57 μm

5 0

3 years ago

Why is it difficult to prove the Law of Conservation of Mass when a gas is produced?

Fofino [41]

Answer:

It is difficult to prove the law of conservation of mass when a gas is produced because the gas molecules move quickly into the outside space and away

6 0

3 years ago

In this equation, which are the reactant(s) Mg(s)+o(g) =Mgo(s)

Mekhanik [1.2K]

Hello,

In the left side, Mg and O are reactants... and MgO is the product....

Hope it helped you... pls mark brainliest

6 0

3 years ago